Julia looked a little embarrassed as judges Paul, 51, and Prue Leith, 77, along with presenters Noel Fielding, 44, and Sandi Toksvig, 59, pointed out that the baked treat had a phallic-shaped appearance to it.
Julia said of her bread: "That just looks inappropriate,” as Paul giggled: "I like the snail."
His smirking prompted host Sandi to ask: "Is there something about the shape of the snail?"
As Paul bent over laughing and wiping his eyes, Prue then said: "Paul, are you going to pull yourself together?"
CHANNEL 4Paul Hollywood cried with laughter during tonight's GBBO
CHANNEL 4Prue asked Paul to 'pull himself together'Related articles
Paul, are you going to pull yourself together?
Prue Leith to Paul Hollywood
The technical challenge of a cottage loaf also provided classic GBBO innuendos, as Paul relayed his technique for merging the two layers together.
He said: "It's about